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EP0086595
European procedure
Extract from the Register of European Patents
EP About this file: EP0086595
| EP0086595 - Installation of ion-exchange membrane in electrolytic cell [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 31.08.1991 Database last updated on 17.07.2024 | Most recent event Tooltip | 31.08.1991 | No opposition filed within time limit | published on 23.10.1991 [1991/43] | Applicant(s) | For all designated states IMPERIAL CHEMICAL INDUSTRIES PLC Imperial Chemical House, Millbank London SW1P 3JF / GB | [1983/34] | Inventor(s) | 01 /
Smith, Peter John 1 Moorlands Park Cuddington Northwich Cheshire / GB | [1983/34] | Representative(s) | Walmsley, David Arthur Gregson, et al Intellectual Property Department ICI Chemicals & Polymers Ltd P.O. Box 11 The Heath Runcorn Cheshire WA7 4QE / GB | [N/P] |
| Former [1983/34] | Walmsley, David Arthur Gregson, et al Intellectual Property Department ICI Chemicals & Polymers Ltd P.O. Box 11 The Heath Runcorn Cheshire WA7 4QE / GB | Application number, filing date | 83300526.7 | 02.02.1983 | [1983/34] | Priority number, date | GB19820004574 | 17.02.1982 Original published format: GB 8204574 | [1983/34] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0086595 | Date: | 24.08.1983 | Language: | EN | [1983/34] | Type: | B1 Patent specification | No.: | EP0086595 | Date: | 31.10.1990 | Language: | EN | [1990/44] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 24.05.1983 | Classification | IPC: | C25B13/02, C25B13/08, C08J5/22, B01J47/12, B01D67/00, // C25B1/46 | [1990/44] | CPC: |
C25B13/00 (EP)
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| Former IPC [1983/34] | C25B13/02, C25B13/08, C08J5/22, B01J47/12, B01D13/04, // C25B1/46 | Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1983/34] | Title | German: | Einbau einer Ionenaustauschermembran in eine elektrolytische Zelle | [1983/34] | English: | Installation of ion-exchange membrane in electrolytic cell | [1983/34] | French: | Encastrement d'une membrane échangeuse d'ions dans une cellule électrolytique | [1983/34] | Examination procedure | 18.01.1984 | Examination requested [1984/13] | 21.03.1985 | Despatch of a communication from the examining division (Time limit: M06) | 11.09.1985 | Reply to a communication from the examining division | 06.05.1987 | Despatch of a communication from the examining division (Time limit: M04) | 22.08.1987 | Reply to a communication from the examining division | 16.09.1988 | Despatch of a communication from the examining division (Time limit: M04) | 16.12.1988 | Reply to a communication from the examining division | 10.01.1990 | Despatch of communication of intention to grant (Approval: Yes) | 19.04.1990 | Communication of intention to grant the patent | 07.05.1990 | Fee for grant paid | 07.05.1990 | Fee for publishing/printing paid | Opposition(s) | 01.08.1991 | No opposition filed within time limit [1991/43] | Fees paid | Renewal fee | 10.01.1985 | Renewal fee patent year 03 | 09.01.1986 | Renewal fee patent year 04 | 12.01.1987 | Renewal fee patent year 05 | 08.01.1988 | Renewal fee patent year 06 | 09.01.1989 | Renewal fee patent year 07 | 11.01.1990 | Renewal fee patent year 08 |
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| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Documents cited: | Search | DE2055369 [ ] (CELANESE CORP); | US4000057 [ ] (MRAZEK KENNETH S, et al); | US4124477 [ ] (TOKAWA DANIEL T, et al) |